Agaru - pa - support base oil relief device

摘要

(57) Abstract Objective In fluctuation of upper ru - pas 8 of o - ba - lock sewing machineAccompanying, the lube which it has made the surface of upper ru - pas - axis come in contact 7To scatter, falling to the surface of upper ru - pas - support base 3A,The ri, that the lube which accumulates gradually the surface of sewing machine deflection - muIt spreads. Dirt of the thread and the cloth with the diffusion of this oil is prevented. Constitution In surface 22 of upper ru - pas - support base 3A crevice 24As it provides, from the crevice the lower part of the upper ru - pas - support baseTo provide the outlet port 25 of the lube which leads to the oil supply chamber, in addition,Being overturned with shield 27, it scattered the surface of the upper ru - pas - support baseThe fact that the oil accumulates in the surface of the upper ru - pas - support base is prevented.